Home / 213,128.14-294,095.88-117,628.68

Finding the Fourth Proportional to 213,128.14, 294,095.88 and 117,628.68

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Solution

The fourth proportional to 213,128.14, 294,095.88 and 117,628.68 is: 162,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,128.14 : 294,095.88 = 117,628.68 : x
  2. Step 2: Convert to fraction form
    213,128.14/294,095.88 = 117,628.68/x
  3. Step 3: Cross multiply
    213,128.14x = 294,095.88 × 117,628.68
  4. Step 4: Simplify right side
    213,128.14x = 34,594,110,157.84
  5. Step 5: Solve for x
    x = 34,594,110,157.84/213,128.14
  6. Step 6: Final answer
    x = 162,316.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.